<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>v-on实例</title>
    <script type="text/javascript" src="../assets/js/vue.js"></script>
</head>
<body>
    <h1>v-on实例</h1>
    <hr>
    <div id="app">
        本场比赛得分:{{fenshu}}
        <p>
            <button v-on:click="jiafen">加分</button>
            <button @click="jianfen">减分</button><br/>
            <input type="text" v-on:keyup.enter="onEnter" v-model="fenshu2">
        </p>
    </div>

    <script type="text/javascript">
        var app = new Vue({
            el:'#app',
            data:{
                fenshu:0,
                fenshu2:1
            },
            methods:{
                jiafen:function(){
                    this.fenshu++;
                },
                jianfen:function(){
                    this.fenshu--;
                },
                onEnter:function(){
                    this.fenshu=this.fenshu+parseInt(this.fenshu2)
                }
            }

        })
    </script>
</body>
</html>